Insane performance decreased on low end devices

I got some issue where i get really bad stutter and lag after i update to the newer version of the game.before the update i get to play it normally but still have lag and it still playable but this bundles of bravery update give the worst lags impact to my game i ever felt.stutter,lags and delayed.it unplayable.i have the recording but it too large.but this insane drop performance is unplayable